尖晶石型Zn_2SnO_4光催化剂的制备与活性研究  

Studies on preparation and photocatalytic activity of spinel type Zn_2SnO_4

作　　者：郑秀君[1] 肖雪[2] 张恒强[3] 张永[4] 王菁菲[1] 李静5 

机构地区：[1]东北石油大学华瑞学院化学工程系,黑龙江哈尔滨150028 [2]黑龙江工程学院材料与化学工程系,黑龙江哈尔滨150050 [3]华东师范大学化学系,上海200062 [4]齐齐哈尔大学材料科学与工程学院,黑龙江齐齐哈尔161006

出　　处：《黑龙江工程学院学报》2011年第2期70-73,共4页Journal of Heilongjiang Institute of Technology

基　　金：黑龙江省教育厅科学技术研究项目(11544005)

摘　　要：运用化学共沉淀法,制备尖晶石型Zn2SnO4纳米粉体。通过X射线衍射分析(XRD)、光电子能谱分析(XPS)、扫描电镜(SEM)、光度法等手段研究粉体的结构。以波长λ=312 nm的光源对甲基橙和茜素红水溶液进行光催化降解实验,讨论光催化剂用量、染料浓度、催化剂烧结时间、试液的pH值、光照时间等与染料脱色率的关系。结果表明,该复合氧化物粉体平均粒径小于30 nm,属立方晶系,具有良好的光催化活性。Spinel type Zn2SnO4 nano powders were prepared by the coprecipitation method.The microstructure of the new powders were investigated by XRD,XPS,SEM and spectro-photometer.The degradation experiment of methyl orange and alizarin red solution were performed by the photo-catalytic methods on the light of wavelength（λ=312nm）.In addtion,the relation in the amount of catalyst,initial concentration of dyestuffs,calcining time of catalyst,pH of dyestuffs solution and illumination time with the decolorizing efficiency of dyestuffs were discussed.The results indicated that the average particle size of the powder of the cubic Zn2SnO4 was less than 30 nm.Zn2SnO4 has good photocatalytic activity.

关 键 词：Zn2SnO4 制备 光催化剂活性 甲基橙 茜素红 

分 类 号：O069[理学]